SIST EN 3365:2025

Aerospace series - Steel X15CrNi17-3 (1.4057) - Air melted - Softened - Forging stock - a or D ≤ 300 mm

This document specifies the requirements relating to:
Steel X15CrNi17-3 (1.4057)
Air melted
Softened
Forging stock
a or D ≤ 300 mm
for aerospace applications.
NOTE   ASD-STAN designation: FE-PM3901
Material number: 1.4057

Luft- und Raumfahrt - Stahl X15CrNi17-3 (1.4057) - Lufterschmolzen - Weichgeglüht - Schmiedevormaterial - a oder D ≤ 300 mm

No Scope available

Série aérospatiale - Acier X15CrNi17-3 (1.4057) - Élaboré à l’air - Adouci - Produits destinés à la forge - a ou D ≤ 300 mm

Le présent document spécifie les exigences relatives à :
Acier X15CrNi17-3 (1.4057)
Élaboré à l’air
Adouci
Produits destinés à la forge
a ou D ≤ 300 mm
pour les applications aérospatiales.
Désignation ASD-STAN : FE-PM3901
Numéro de matériau : 1.4057

Aeronavtika - Jeklo X15CrNi17-3 (1.4057) - Taljeno - Mehčano - Material za kovanje - a ali D ≤ 300 mm

General Information

• Status: Published
• Public Enquiry End Date: 25-Sep-2024
• Publication Date: 18-Sep-2025
• ICS: 49.025.10 - Steels
• Technical Committee: I13 - Imaginarni 13
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 18-Sep-2025
• Due Date: 23-Nov-2025
• Completion Date: 19-Sep-2025
• Ref Project: EN 3365:2025 - Aerospace series - Steel X15CrNi17-3 (1.4057) - Air melted - Softened - Forging stock - a or D ≤ 300 mm

Relations

• Revises: SIST EN 3365:2009 - Aerospace series - Steel FE-PM3901 (X15CrNi17-3) - Air melted, softened, forging stock a or D ≤ 300 mm
• Effective Date: 22-May-2024

Standards Content (Sample)

SLOVENSKI STANDARD
01-november-2025
Aeronavtika - Jeklo X15CrNi17-3 (1.4057) - Taljeno - Mehčano - Material za kovanje
- a ali D ≤ 300 mm
Aerospace series - Steel X15CrNi17-3 (1.4057) - Air melted - Softened - Forging stock -
a or D ≤ 300 mm
Luft- und Raumfahrt - Stahl X15CrNi17-3 (1.4057) - Lufterschmolzen - Weichgeglüht -
Schmiedevormaterial - a oder D ≤ 300 mm
Série aérospatiale - Acier X15CrNi17-3 (1.4057) - Élaboré à l’air - Adouci - Produits
destinés à la forge - a ou D ≤ 300 mm
Ta slovenski standard je istoveten z: EN 3365:2025
ICS:
49.025.10 Jekla Steels
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 3365
EUROPEAN STANDARD
NORME EUROPÉENNE
September 2025
EUROPÄISCHE NORM
ICS 49.025.10 Supersedes EN 3365:2007
English Version
Aerospace series - Steel X15CrNi17-3 (1.4057) - Air melted
- Softened - Forging stock - a or D  300 mm
Série aérospatiale - Acier X15CrNi17-3 (1.4057) - Luft- und Raumfahrt - Stahl X15CrNi17-3 (1.4057) -
Élaboré à l'air - Adouci - Produits destinés à la forge - a Lufterschmolzen - Weichgeglüht -
ou D  300 mm Schmiedevormaterial - a oder D  300 mm
This European Standard was approved by CEN on 18 August 2025.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2025 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 3365:2025 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Requirements . 5
Bibliography . 9

European foreword
This document (EN 3365:2025) has been prepared by ASD-STAN.
After enquiries and votes carried out in accordance with the rules of this Association, this document has
received the approval of the National Associations and the Official Services of the member countries of
ASD-STAN, prior to its presentation to CEN.
This document shall be given the status of a national standard, either by publication of an identical text
or by endorsement, at the latest by March 2026, and conflicting national standards shall be withdrawn
at the latest by March 2026.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 3365:2007.
This document includes the following significant technical changes with respect to EN 3365:2007:
— EN 3365 (P2), 07/2007 – Update of the material designation, correction of the format of Table 1 to
comply with the requirements of the EN 4500 series, upda
...